Home / 8,328.48-11,482.20-6,906.84

Finding the Fourth Proportional to 8,328.48, 11,482.20 and 6,906.84

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Solution

The fourth proportional to 8,328.48, 11,482.20 and 6,906.84 is: 9,522.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,328.48 : 11,482.20 = 6,906.84 : x
  2. Step 2: Convert to fraction form
    8,328.48/11,482.20 = 6,906.84/x
  3. Step 3: Cross multiply
    8,328.48x = 11,482.20 × 6,906.84
  4. Step 4: Simplify right side
    8,328.48x = 79,305,718.25
  5. Step 5: Solve for x
    x = 79,305,718.25/8,328.48
  6. Step 6: Final answer
    x = 9,522.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.